The following roads are closed to vehicle traffic during the winter months (Dec. 1, or first snowfall through April 1, weather permitting):
Tiorati Brook Road
Lake Welch Drive
Arden Valley Road
Rt 106 W, just past Kanawauke to Rt 17
Lake Tiorati was formed by clearing swampland in Harriman State Park and constructing a concrete dam to make two ponds into one large lake. Surrounded by meadows and rolling, wooded hills, the park offers excellent swimming, fishing, boating and picnicking. In winter, if conditions allow, the lake is used for ice fishing. The pioneer campsites near the lake may be used by bonafide groups.
Scout camping is available.
Biking - Helmets required.
Fishing - NYS fishing license required.
Launch Site - Boat permit and key required.
Group camping is available.
Current Water Quality - Beach Results
Dogs only, must be on a leash not more than 6 feet at all times. Not allowed in buildings or beach/bathing areas. Must display rabies tag. Not permitted in the following areas of Harriman State Park: Beaver Pond Campground, Welch Beach, Sebago Cabins.